284 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 



FIG. 171. Teosinte, EucJilaena mcxicana. Sketch of plant, much reduced ; pistillate in- 

 florescence inclosed in bract (a) and with portion of bract removed (b), X 1 ; lateral 

 view of Joint of rachis and the fertile spikelet (c), X 2; dorsal view of same, show- 

 ing first glume (d), X 2. 



